/Engine/Plugins/Experimental/AnimNext/Source/AnimNext/Public/Param/ParamStack.h
Get a pointer to a parameter's mutable value given aFParamId.
nullptr if the parameter is not mapped or mutable
template<typename ValueType> ValueType * GetMutableParamPtr ( [FParamId](API\Plugins\AnimNext\Param\FParamId) InParamId, [FParamStack::EGetParamResult](API\Plugins\AnimNext\Param\FParamStack\EGetParamResult) * OutResult )